int
splash_register(splash_decoder_t *decoder)
{
splash_decoder_t **p;
int error;
int i;
if (splash_adp != NULL) {
/*
* If the video card has aleady been initialized, test
* this decoder immediately.
*/
error = splash_test(decoder);
if (error == 0) {
/* replace the current decoder with new one */
if (splash_decoder != NULL)
error = splash_term(splash_adp);
if (error == 0)
splash_new(decoder);
}
return error;
} else {
/* register the decoder for later use */
for (i = 0; i < decoders; ++i) {
if (decoder_set[i] == NULL)
break;
}
if ((i >= decoders) && (decoders % DECODER_ARRAY_DELTA) == 0) {
p = malloc(sizeof(*p)*(decoders + DECODER_ARRAY_DELTA),
M_DEVBUF, M_NOWAIT);
if (p == NULL)
return ENOMEM;
if (decoder_set != NULL) {
bcopy(decoder_set, p, sizeof(*p)*decoders);
free(decoder_set, M_DEVBUF);
}
decoder_set = p;
i = decoders++;
}
decoder_set[i] = decoder;
}
return 0;
}
int
splash_init(video_adapter_t *adp, int (*callback)(int))
{
int i;
splash_adp = adp;
splash_callback = callback;
splash_decoder = NULL;
for (i = 0; i < decoders; ++i) {
if (decoder_set[i] == NULL)
continue;
if (splash_test(decoder_set[i]) == 0) {
splash_new(decoder_set[i]);
break;
}
decoder_set[i] = NULL;
}
for (++i; i < decoders; ++i) {
decoder_set[i] = NULL;
}
return 0;
}
